List of state leaders in 652

651 state leaders - Events of 652 - 653 state leaders - State leaders by year----------

Africa

America

*Mayas - Pacal II, Ruler of Palenque (615-683)

Asia

*China (Tang Dynasty) - Gaozong, Emperor of China (650-683)
*Japan (Asuka Period) - Kōtoku, Emperor of Japan (645-654)
*Korea (Three Kingdoms) -
**Baekje - Uija, King of Baekje (641-660)
**Goguryeo - Bojang, King of Goguryeo (642-668)
**Silla - Jindeok, Queen of Silla (647-654)

Europe

*Avars - Avar Khagan (617–665)
*England (Heptarchy) - Oswiu of Northumbria, Bretwalda
**East Anglia - Anna, King of East Anglia (635-654)
**Essex - Sigeberht I, King of Essex (617-653)
**Kent - Eorcenberht, King of Kent (640-666)
**Mercia - Penda, King of Mercia (c.626-655)
**Northumbria
***Bernicia - Oswiu, King of Bernicia (642-670
***Deira - Aethelwald, King of Deira (651-655)
**Sussex - unknown ruler
**Wessex - Cenwalh, King of Wessex (648-674)
*Franks (Merovingian Dynasty)
**Neustria - Clovis II, King of Neustria (639-655)
**Austrasia - Sigebert III, King of Austrasia (635-660)
*Great Bulgaria - Khan Kubrat, (632-668)
*Lombard Kingdom
**Rothari, King of the Lombards (636-652)
**Rodoald, King of the Lombards (652-653)
*Scotland
**Dalriada - Conall Crandomna, King of Dál Riata (650-660)
**Strathclyde - Gwriad, King of Strathclyde (645-658)
*Visigothic Kingdom - Reccesuinth, King of the Visigoths (649-672)

Middle East

*Caliphate - Uthman ibn Affan, Caliph (644-656)
*Byzantine Empire - Constans II, Byzantine Emperor (641-668)